Telescopic support for a firearm



FIG. 1 is a perspective view of a telescopic support for a firearm, showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof;

FIG. 3 is a front elevational view, the rear being a mirror image thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a telescopic support for a firearm, as shown and described. 